12616211 has 4 divisors (see below), whose sum is σ = 12624024. Its totient is φ = 12608400.

The previous prime is 12616207. The next prime is 12616229. The reversal of 12616211 is 11261621.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12616211 - 2² = 12616207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12616231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 485 + ... + 5046.

It is an arithmetic number, because the mean of its divisors is an integer number (3156006).

Almost surely, 2^12616211 is an apocalyptic number.

12616211 is a deficient number, since it is larger than the sum of its proper divisors (7813).

12616211 is an equidigital number, since it uses as much as digits as its factorization.

12616211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7812.

The product of its digits is 144, while the sum is 20.

The square root of 12616211 is about 3551.9306017995. The cubic root of 12616211 is about 232.7964292407.

Adding to 12616211 its reverse (11261621), we get a palindrome (23877832).

The spelling of 12616211 in words is "twelve million, six hundred sixteen thousand, two hundred eleven".